Please can anybody help me?

[linatchen1]

I have been resident in the UK with leave to remain based on my Northern Irish spouse exercising his EU right as an Irish citizen to work in the UK. Before my visa expired my spouse went to work abroad temporarily although we are still together. For the past year and a half have I been residing legally in the UK?

[physicskate]

I have been resident in the UK with leave to remain based on my Northern Irish spouse exercising his EU right as an Irish citizen to work in the UK. Before my visa expired my spouse went to work abroad temporarily although we are still together. For the past year and a half have I been residing legally in the UK?

If your spouse is no longer in the UK, then the rights that you derive based on his residency cease to exist! You will really struggle to extend or apply for PR because you will not be able to prove his exercising his treaty rights. Ipso facto, you are in a rough spot.

Why not join your husband abroad?

[noajthan]

I have been resident in the UK with leave to remain based on my Northern Irish spouse exercising his EU right as an Irish citizen to work in the UK. Before my visa expired my spouse went to work abroad temporarily although we are still together. For the past year and a half have I been residing legally in the UK?

My understanding is a dual national who is a BC is only treated as a BC in UK by the HO.
So unless spouse and you have previously undertaken a Surinder Singh route (via a 3rd EU country) how does spouse come to have EU rights in UK at all?

Based on your outline it's somewhat unclear that you have any basis for residency in UK at the moment (even before spouse went to work abroad).

What is the visa you mentioned?
How did your husband get his EU rights - have you done a Surinder Singh option?